Question

Edison Research gathered exit poll results from several sources for the Wisconsin recall election of Scott Walker. They found that 53% of the respondents voted in favor of Scott Walker. Additionally, they estimated that of those who did vote in favor for Scott Walker, 37% had a college degree, while 44% of those who voted against Scott Walker had a college degree. Suppose we randomly sampled a person who participated in the exit poll. What is the probability that they:

(a) They did not vote for Scott Walker?

(b) have a college degree?

(c) Have a college degree or voted for Scott Walker?

(d) Is voting for Scott Walker independent of having a college degree?

Answer 1